The DRML1 Load Monitoring Module is designed to be plugged on top of any Nova22 Solid State Relay with Contactor configuration (PM22 and DR22 Series with options V or W) to monitor up to 8 heating elements with similar current value, with a total current ranging from 1.2 Amps up to 50 Amps. The DRML1 module permanently measures the load current and compares it against a pre-set nominal value (TEACH value) which is stored during the installation of the module either by pressing the “Teach-In” pushbutton, placed on the front, or with the external “Teach-In” input. The alarm output is activated when the module detects an undercurrent of 12.5% below the nominal value, which corresponds to the failure of a single load. The module can also detect other fault conditions, such as: overcurrent (current exceeding 12.5% of the nominal current), blown fuses (open load), damaged (short circuited) or interrupted SSR, and it can also detect half-wave operation. The maximum current value (20 Amps or 50 Amps) and an adjustable alarm response delay (0.1 sec, 1 sec or 5 secs) are selectable on the front via the parameter selector switch. The alarm delay avoids fault messages generated by voltage drops. Malfunctions are indicated by a multicolor LED, which indicates when power is ON and also when the Teach-In function is activated (Blue), when the input signal is ON (Green) and when an alarm condition is activated (Red). The DRML1 module is ideal for monitoring the correct operation of a wide range of equipment, such as injection molding, plastic extrusion and thermoforming machines.
BEI Sensors DRML1 Relé
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Especificación
| Dielectric Strength, Input to Output (50/60Hz) | 4000 VRMS |
| Minimum Insulation Resistance (@ 500 VDC) | 109 Ohms |
| Maximum Capacitance, Input/Output | 14 pF |
| Ambient Operating Temperature Range | -25 to 70 °C |
| Ambient Storage Temperature Range | -25 to 70 °C |
| Weight (typical) | 1.5 oz (43 g) |
| Housing Material | UL94 V-0 |
| Humidity | 95% non-condensing |
| LED Input Status Indicator | See Status Chart |
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